<template>
  <div class="comment-reply">
    <!-- 头部区域 -->
    <van-nav-bar :title="`${comment.reply_count}条回复`">
      <van-icon slot="left" name="cross" @click="$emit('close')"/>
    </van-nav-bar>
    <!-- 当前评论信息 -->
    <comment-item :comment="comment">

    </comment-item>
    <!-- 全部评论 -->
    <comment-list 
      :source="comment.com_id"
      type="c"
      :list="commentList">
    </comment-list>
    <!-- 底部按钮 -->
      <div class="article-bottom">
        <van-button 
          class="comment-btn"
          type="default"
          round
          size="small"
          @click="isPostShow = true"
        >写评论</van-button>
              <!-- 评论 -->
      </div>
    <van-popup
      v-model="isPostShow"
      position="bottom"
    >
      <post-comment
        :target="comment.com_id"
        :article-id="articleId"
        @post-success="onPostSuccess"
      />
    </van-popup>
  </div>
</template>

<script>
import CommentItem from './comment-item.vue'
import CommentList from './comment-list.vue'
import PostComment from './post-comment.vue'

  export default {
    name:'CommentReply',
    components:{
      CommentItem,
      CommentList,
      PostComment
    },
    props:{
      comment:{
        type:Object,
        required:true
      },
      articleId:{
        type:[Number,String,Object],
        required:true
      }
    },
    data() {
      return {
        isPostShow:false,
        commentList:[]
      }
    },
    methods: {
      onPostSuccess(comment){
        this.commentList.unshift(comment)
        this.comment.reply_count++
        this.isPostShow = false
      }
    },
  }
</script>

<style lang="less" scoped>
  .article-bottom{
    position: fixed;
    left: 0;
    bottom: 0;
    right: 0;
    box-sizing: border-box;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 44px;
    border-top: 1px solid #d8d8d8;
    background-color: #fff;
    .comment-btn{
      width: 300px;
      height: 23px;
      border: 1px solid #eee;
      font-size: 15px;
      line-height: 23px;
      color: #a7a7a7;
    }
  }
</style>